{"id":"graphics.canvas--BeginPersistentDamageRegion","name":"BeginPersistentDamageRegion","owner":"yeho","package":"graphics.canvas","kind":"function","signature":"external BeginPersistentDamageRegion(int x, int y, int width, int height, int red, int green, int blue) returns bool","description":"Begin persistent damage region.","context":"Draw 2D shapes, text, images, and composited interface content.","parameters":[{"name":"x","type":"int","description":"Supply x as int."},{"name":"y","type":"int","description":"Supply y as int."},{"name":"width","type":"int","description":"Supply width as int."},{"name":"height","type":"int","description":"Supply height as int."},{"name":"red","type":"int","description":"Supply red as int."},{"name":"green","type":"int","description":"Supply green as int."},{"name":"blue","type":"int","description":"Supply blue as int."}],"returns":"bool","members":[],"tags":["canvas","cpu","function","graphics","graphics.canvas","source-example","yeho"],"updated":"2026-09-09","source":{"repository":"yeho","path":"packages/graphics/canvas/canvas.yh","line":267,"sha256":"6ccd4ec500a65b2f8a7447e335a0f6661c8b064e12be567abc0974e818716f45"},"status":"source-declared","notes":["Package presence and a declaration do not establish support on every host. Host services need their platform and lifecycle setup."],"examples":[{"id":"usage","title":"Use BeginPersistentDamageRegion","description":"A complete small caller. Values are illustrative; check the returned result and package requirements before connecting live resources.","code":"using graphics.canvas\n\n// Draw 2D shapes, text, images, and composited interface content.\nint x = 1\nint y = 1\nint width = 1\nint height = 1\nint red = 1\nint green = 1\nint blue = 1\nbool result = BeginPersistentDamageRegion(x, y, width, height, red, green, blue)\nConsole.Log(Text.From(result))\n","manifest":"manifestVersion = \"2\"\npackage = \"api.example.graphics_canvas__beginpersistentdamageregion\"\nversion = \"0.1.0\"\nlanguageEdition = \"yeho-core-2026.1\"\n\n[app]\nkind = \"headless\"\n\n[[dependencies]]\npackage = \"graphics.canvas\"\nversion = \"0.1.0\"\npath = \"../../../yeho/packages/graphics/canvas\"\n","tags":["cpu","source-example"],"verification":"type checked","run":"cpu-oracle","sha256":"43f0554726be71caea4ce2147c0f6cf1a4507698bd1c304d79b265f5241b1893","checked":"2026-09-09","diagnostic":"","observedOutput":null,"checkedBackend":null}],"searchTerms":[],"url":"https://demonhunterlabs.com/academy/api?item=graphics.canvas--BeginPersistentDamageRegion","json":"https://demonhunterlabs.com/reference/items/graphics.canvas--BeginPersistentDamageRegion.json","markdown":"https://demonhunterlabs.com/reference/text/graphics.canvas--BeginPersistentDamageRegion.md"}